EP1493152B1 - Remote control system and method for personal video recorder - Google Patents

Remote control system and method for personal video recorder Download PDF

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Publication number
EP1493152B1
EP1493152B1 EP03714495A EP03714495A EP1493152B1 EP 1493152 B1 EP1493152 B1 EP 1493152B1 EP 03714495 A EP03714495 A EP 03714495A EP 03714495 A EP03714495 A EP 03714495A EP 1493152 B1 EP1493152 B1 EP 1493152B1
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EP
European Patent Office
Prior art keywords
reverse
control signal
skip
replay
remote control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03714495A
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German (de)
English (en)
French (fr)
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EP1493152A1 (en
Inventor
Scott Allan Kendall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
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Thomson Licensing SAS
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Publication date
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Publication of EP1493152A1 publication Critical patent/EP1493152A1/en
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/027—Remotely controlled
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/023—Control of operating function, e.g. switching from recording to reproducing remotely controlled
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/16—Manual control
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42212—Specific keyboard arrangements
    • H04N21/42213—Specific keyboard arrangements for facilitating data entry
    • H04N21/42215—Specific keyboard arrangements for facilitating data entry by measuring the time interval during which a key is pressed, e.g. for inputting sequences of digits when selecting a television channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Definitions

  • This invention relates to the field of digital video playback apparatus such as PVRs (Personal Video Recorders), to remote control devices and associated features on video playback apparatus that are controlled by the remote control devices, and methods of controlling playback of recorded television programs.
  • digital video playback apparatus such as PVRs (Personal Video Recorders)
  • PVRs Personal Video Recorders
  • remote control devices send control signals, usually infrared (IR), which are received and processed by associated video playback apparatus.
  • IR infrared
  • a user may press the "forward" button (hereinafter "key") on the remote control device, causing a coded signal to be transmitted and received by a PVR, and processed by software in a microprocessor (up) in the PVR resulting in the playback apparatus going into fast forward playback mode.
  • Prior remote control systems for digital video playback apparatus include separate keys for reverse, replay, forward, skip, and play, for example.
  • PVRs are sometimes combined with other functions such as cable receivers, VCRs, and satellite television, and systems for receiving Internet such as WebTV, resulting in more complicated remote control units ("remote controllers"). Future PVRs may be combined with other devices and functions such as DVD burners and televisions, which would require even more complicated remote controllers.
  • US 5,134,497 an apparatus for selecting functional modes of a video camera recorder is described, which uses a remote control unit with one key, by means of which several operating modes can be selected by pressing the key a defined number of times.
  • an audio playback apparatus is described having a single mode selecting push button for selectively determining one of a plurality of operating modes in accordance with successive depressions of the push button, or duration of each depression, or in accordance with the number of depressions.
  • a digital video playback apparatus which responds to the duration of a control signal from a remote, and invokes a different function for long signals, which exceed a predetermined threshold in duration, versus short control signals, which do not exceed the predetermined threshold in duration.
  • Another aspect of the invention comprises a remote control device to be used with a video playback apparatus having a replay-reverse multipurpose key and a skip-forward multipurpose key.
  • a further aspect of the invention is a system comprising the video playback apparatus and the remote controller.
  • the video playback apparatus can be any which responds to remote control signals from a remote control device and processes the signals to invoke playback functions.
  • the preferred video playback apparatus is a PVR, which employs a memory such as a hard drive to store digital files of television programs.
  • PVRs have been sold under the trademarks TiVo and ReplayTV, for example.
  • PVR-type devices which store digital files in any type of memory system, are very suitable.
  • any type of digital device capable of normal video playback, skip, forward, reverse, and replay functions upon command of a remote controller can be used in the invention, as long as the device can be programmed to include the novel responses to multifunction keys provided by this invention.
  • the preferred remote control devices are one that has a multipurpose key labeled reverse and replay, and a multipurpose key labeled forward and skip.
  • the reverse-replay multipurpose key is pressed for less than a predetermined duration, for example one second, to invoke a replay function to review a predetermined, preceding segment, for example the last seven seconds prior to the replay function being invoked.
  • the reverse-replay multipurpose key is pressed for more than the predetermined duration, one second in this example, to invoke the reverse function, which causes the PVR to play backwards through the digital file from the point where the function is invoked, in a manner very familiar to users of PVRs.
  • Prior art PVRs have reverse and replay functions, but separate keys on the remote control device were necessary for those two functions. Separate keys were also necessary in prior art remote controlled PVRs for skip, which forwards the play for a predetermined time such as 30 seconds, and forward, which fast forwards the play continuously.
  • a preferred embodiment of the invention uses the forward-skip multipurpose key on the remote to control the speed of the forward, either toggling between several, usually three, fast forward speeds by additional presses of that key after forward is invoked, or by the user holding down that forward-skip multipurpose key. For example, after 1 second, the reverse speed is -2X, after 2 seconds, the reverse speed is -4X, and after 3 seconds, the reverse speed is -8X, up to a maximum of -16X after 4 seconds.
  • the remote repeat repeats code associated with a particular multipurpose key over and over with a wait, or time gap, of a predetermined amount, usually between about 1 and 10 ms., for example about 5 ms., between repetitions of the code.
  • the decoder in the video playback apparatus interprets a gap of, say, 20 to 40 ms, wherein code is not received, to be a release of the multipurpose key and, if the "release" is interpreted as occurring at less than the predetermined amount, 1 second in this example, then the replay function of the replay-reverse key, or the skip function of the skip-forward key, is invoked.
  • a graphical user interface is usually generated for display by any PVR-type device.
  • the devices of the invention preferably generate a "skip" notice or icon when a control signal from a skip-forward key press is first received, and then a forward notice or icon is generated for the GUI display if the skip-forward signal is received for more than a predetermined time such as one second.
  • a predetermined time such as one second.
  • the forward speed is incremented or toggled to the next higher speed.
  • Preferred forward speeds are 2X, 4X, 8X, and 16X.
  • the reverse speed is incremented or toggled to the next higher reverse speed, for example from -2X to -4X to -8X to -16X, depending on the number of key presses.
  • the corresponding notices or icons for replay, skip, 2X, 4X, 8X, 16X, -2X, -4X, -8X, and -16X are preferably generated for the GUI when those modes are invoked.
  • FIG. 1 is a block diagram of a personal video recorder apparatus according to the invention.
  • FIG. 2 is a flow chart showing an embodiment of a process according to the invention.
  • a personal video recorder (PVR) 19 receives a source signal 11 from, for example, a satellite receiver or a cable provider, and under control of processor 18 with tuner 12 tuned to receive the source signal 11, compresses it with MPEG-2 encoder 16, stores files in MPEG-2 formal in a data storage 17 such as a hard disk memory device and, when needed for display, decompresses the stored files with MPEG-2 decompressor 14.
  • a data storage 17 such as a hard disk memory device
  • Other compressed formats can be used, for example, MPEG-4 or DV.
  • Other memory devices can be used such as RAM (random access memory).
  • the PVR 19 also includes a remote command receiver 22 for receiving user commands from a remote controller 20.
  • the remote controller 20 may have an IR or RF transmitter for transmitting code signals representing user commands.
  • user commands can be generated by using input devices such as buttons (not shown) attached to the PVR 19. All of the components are linked via bus 13 and controlled by processor 18.
  • the PVR 19 may include other functionalities such as providing a connection to the Internet through DSL, providing WinTV functionalities, and providing functionalities as a personal computer.
  • a stored television program for example one that has been recorded at a user's request using the remote controller 20 and user interfaces generated by processor 18 and other components of the PVR on display 21, is played back at user command via the remote controller 20 on the display 21.
  • the display can be any suitable viewing device such as a standard television or video monitor.
  • the PVR 19 can be of any design, including the types known by their trademarks TiVO and ReplayTV, and are sometimes known as digital video recorders. PVRs and other types of digital video playback apparatus are well known alternatives to VCRs for the function of time shifting of television programs. Digital playback apparatus are advantageous in several regards, including not needing blank recording tape, using electronic program guides to assist in selection of programs to be recorded, and varying speeds and types of playback modes, including "skip” which forwards the point of playback by, typically, 30 seconds, and “review” or “replay,” which causes the PVR to play back at normal speed the last several seconds, typically 7 seconds, of play from the point at which replay is invoked. Each of these functions is typically carried out in response to commands from a remote controller.
  • FIG. 2 a process is shown starting at 101 with the PVR in playback mode, i. e., displaying at 102 a program at normal viewing speed, known in the art as 1X speed.
  • the processor Upon receipt of a "skip-forward" control signal as determined at decision block 103, which is generated by pressing the corresponding key on a remote controller 20 ( FIG. 1 ), the processor causes the PVR to generate a freeze frame at 104, wherein the playback is "paused" at the point where the "skip-forward" control signal is received, and a user notification is generated and displayed saying “skip” at 105.
  • an on-off signal is considered one continuous signal as long as the gap (the off time) is no more than a first predetermined threshold, preferably, between about 1 millisecond and 10 milliseconds. If the gap is more than a second predetermined threshold, the signals before and after the gap are not considered a part of a continuous signal; they are considered two signals. The second predetermined threshold is equal to or larger than the first, and preferably is set at 20 milliseconds.
  • a continuous signal is normally generated by holding down a key on the remote controller 20. Two signals are generated when a user presses a key, release the key, and presses the key again.
  • the stored television program file is streamed at a first forward speed, i.e., 2X, and a user notification of "2x" is displayed on the display 21 at 111.
  • the 2X mode continues until either a play control signal at 116 is received, causing the mode to be switched by the processor 18 to normal playback speed 1X at 102, or another "skip-forward" control signal is received as determined at decision block 108, causing the forward speed to increment at 109 to the next higher forward speed, 4X in this example.
  • the mode switches at 109 to the next higher forward speed increment and a notice of the new speed mode is generated.
  • the next higher forward speed is also invoked when the "skip-forward" control signal is detected greater than a second predetermined threshold, 2 seconds in this example as determined at decision block 108, causing the display mode to be switched to 4X and a user notification of "4X".
  • a second predetermined threshold 2 seconds in this example as determined at decision block 108
  • the PVR switches to the next higher forward speed until the highest available speed has been reached.
  • the duration for moving to the next higher speed is illustrated as a constant of one second, the duration for moving to next speed may vary. For example, the duration for moving from 2X to 4X may be 0.5 second but the duration for moving from 4X to 8X may be at 0.25 second. Thus, the duration becomes shorter for advancing to a higher speed.
  • the increase of the speed may be in any functional relationship with the duration. For example, after holding down the "skip-forward" key over a second, the PVR switches into fast forward mode and the forward speed is directly proportional to the duration of the "skip-forward" signal until the PVR reaches its highest possible speed.
  • a "replay-reverse" control signal is received is very similar. Again, starting with the PVR in playback mode at 101, the display is in 1X mode at 102. When a "replay-reverse" control signal is received as determined at decision step 124, the frame is frozen, i.e., paused at 125, and a user notification such as "release to replay” or "replay” is generated at 126. If the "replay-reverse" control signal is received for a duration less than one second as determined at decision block 114, the video is virtually reversed for 7 seconds so that the last 7 seconds previously viewed is replayed at 115.
  • the program is displayed in reverse mode at a speed of -2X at 121. If the "replay-reverse" control signal is received for greater than 2 seconds as determined at decision block 119, or if a second "replay-reverse” control signal is received, the program is displayed in -4X speed. For each additional second, the "release-reverse” signal persists, or for each additional replay-reverse control signal received as determined at decision block 119 while the system is in -2X, -4X, -8X, -16X or any other reverse speed, the mode switches at 120 to the next speed increment and a notice of the new speed mode is generated at 120. When the highest available speed has been reached, the persistence of the "release-reverse" signal will not change the speed of the PVR.
  • playback reverts to the normal speed at 102.
  • the principles of the invention can be applied to other keys as well such as the play key.
  • the play key when the play key is pressed for less than a predetermined time (for example, one second), the PVR plays a video at a normal speed 1X.
  • the PVR switches into a fast-forward mode having a speed of 2X.
  • the play key is pressed, the PVR switches into next higher forward speed until the highest available speed has been reached.
  • the principles of the invention can also be applied to other digital and analog playback apparatus such as a DVD player or a VCR, in which the above three keys or their equivalents are provided in the playback apparatus or in its remote controller.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Automation & Control Theory (AREA)
  • Details Of Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Selective Calling Equipment (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
EP03714495A 2002-04-05 2003-04-02 Remote control system and method for personal video recorder Expired - Lifetime EP1493152B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37043902P 2002-04-05 2002-04-05
US370439P 2002-04-05
PCT/US2003/010018 WO2003088238A1 (en) 2002-04-05 2003-04-02 Remote control system and method for personal video recorder

Publications (2)

Publication Number Publication Date
EP1493152A1 EP1493152A1 (en) 2005-01-05
EP1493152B1 true EP1493152B1 (en) 2010-10-20

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US (1) US8428442B2 (enExample)
EP (1) EP1493152B1 (enExample)
JP (2) JP2005522813A (enExample)
KR (1) KR20040104559A (enExample)
CN (1) CN1647184A (enExample)
AU (1) AU2003218491A1 (enExample)
BR (1) BR0309027A (enExample)
DE (1) DE60334613D1 (enExample)
MX (1) MXPA04009651A (enExample)
MY (1) MY159392A (enExample)
WO (1) WO2003088238A1 (enExample)

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MY159392A (en) 2016-12-30
WO2003088238A1 (en) 2003-10-23
MXPA04009651A (es) 2005-01-11
EP1493152A1 (en) 2005-01-05
CN1647184A (zh) 2005-07-27
JP2010097692A (ja) 2010-04-30
AU2003218491A1 (en) 2003-10-27
US8428442B2 (en) 2013-04-23
DE60334613D1 (de) 2010-12-02
BR0309027A (pt) 2007-01-30
KR20040104559A (ko) 2004-12-10
JP2005522813A (ja) 2005-07-28
US20050163477A1 (en) 2005-07-28

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